Deuteronomy 27:22
Cursed be he who lays with his sister, the daughter of his father, or the daughter of his mother. And all the people shall say, Amen.
Leviticus 18:9
The nakedness of thy sister, the daughter of thy father, or the daughter of thy mother, whether born at home, or born abroad, even their nakedness thou shall not uncover.
Leviticus 20:17
And if a man shall take his sister, his father's daughter, or his mother's daughter, and see her nakedness, and she sees his nakedness, it is a shameful thing, and they shall be cut off in the sight of the sons of their people. He
Ezekiel 22:11
And one has committed abomination with his neighbor's wife, and another has lewdly defiled his daughter-in-law, and another in thee has humbled his sister, his father's daughter.
2 Samuel 13:1
And it came to pass after this, that Absalom the son of David had a fair sister whose name was Tamar. And Amnon the son of David loved her.
2 Samuel 13:8-14
So Tamar went to her brother Amnon's house, and he was laid down. And she took dough, and kneaded it, and made cakes in his sight, and baked the cakes.